package com.lxyk.springcloud.controller;

import com.lxyk.springcloud.pojo.Payment;
import com.lxyk.springcloud.pojo.ResultInfo;
import com.lxyk.springcloud.service.PaymentService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;

@RestController//返回JSON
@Slf4j

public class PaymentController {

    @Autowired
    private PaymentService paymentService;

    //两个payment一模一样 只能通过端口号来区分
    @Value("${server.port}")
    private String serverPort;

    @GetMapping(value = "/payment/lb")
    public String getPaymentLB(){
        return serverPort;
    }

    @Resource
    private DiscoveryClient discoveryClient;
    /*DiscoveryClient是org.springframework.cloud.client.discovery.DiscoveryClient包下的，
    不要导入错了否则下边找不到getServices方法*/

    @PostMapping(value = "/payment/create")
    public ResultInfo create(@RequestBody Payment payment){
        int result=paymentService.create(payment);
        log.info("插入结果为:"+result);
        if (result>0){
            return new ResultInfo(200,"插入数据库成功,serverPort:"+serverPort,result);
        }else {
            return new ResultInfo(444,"插入数据库失败",null);
        }
    }

    @GetMapping(value = "/payment/get/{id}")
    public ResultInfo getPaymentById(@PathVariable("id") Long id){
        Payment payment = paymentService.getPaymentById(id);
        log.info("查询结果为:"+payment);
        if (payment!=null){
            return new ResultInfo(200,"查询数据库成功,serverPort:"+serverPort,payment);
        }else {
            return new ResultInfo(444,"没有对应记录，查询ID"+id,null);
        }
    }

    //这个就是为了获取一些信息 没别的作用
    @GetMapping(value = "/payment/discovery")
    public Object discovery(){
        List<String> services = discoveryClient.getServices();
        for (String element : services) {
            log.info("***** element:"+element);
        }
        List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-PAYMENT-SERVICE");
        for (ServiceInstance instance : instances) {
            log.info(instance.getServiceId()+"\t"+instance.getHost()+"\t"+instance.getPort()+"\t"+instance.getUri());
        }
        return this.discoveryClient;
    }
}
